Dr. Arun S. Nair

Why Colorectal Cancer is Rising in Younger Adults (Under 50)

For a long time, people believed that colorectal cancer was a disease of the elderly. Most screening guidelines focused on individuals over the age of 50. However, the medical world is seeing a worrying shift. More young adults in their 30s and 40s are being diagnosed with cancers of the colon and rectum.

As a dedicated Gastroenterologist in Thrissur, I have observed this trend closely. Early detection and lifestyle changes are now more important than ever for the younger generation. Understanding why this is happening can help you take charge of your health.

Colorectal cancer starts in the colon or rectum. It usually begins as small growths called polyps. Over time, these polyps can turn into cancer.

Common symptoms include:

  • Change in bowel habits
  • Blood in stool
  • Abdominal pain
  • Unexplained weight loss
  • Fatigue

Many young patients ignore these symptoms. They think it is just acidity or piles. This delay can be dangerous.

There is no single reason. Experts believe multiple factors are involved.
  • Unhealthy Diet: Modern diets are high in processed food, red meat, and sugar. Fibre intake is low. This affects gut health and increases cancer risk.
  • Sedentary Lifestyle: Lack of physical activity is a major cause. Sitting for long hours slows digestion and leads to weight gain.
  • Obesity: Obesity is increasing in India. Excess body fat causes inflammation and hormonal changes, which raise cancer risk.
  • Gut Microbiome Changes: Our gut has good bacteria. Poor diet, antibiotics, and stress can disturb this balance. This may lead to inflammation and cancer.
  • Increased Stress and Poor Sleep: High stress and lack of proper sleep weaken the immune system. Over time, this can increase the risk of serious diseases.
  • Family History and Genetics: If someone in your family has colorectal cancer, your risk is higher. Early screening is very important in such cases.
  • Smoking and Alcohol: Smoking and regular alcohol use damage the digestive system. These habits increase the risk of colorectal cancer at a younger age.
  • Delay in Diagnosis: Many young people ignore symptoms like constipation or blood in stool. This delays diagnosis and treatment.
  • Increased Use of Processed and Fast Foods: Frequent eating of packaged and fast foods leads to poor nutrition and digestive problems, increasing cancer risk.
  • Environmental Factors: Pollution and exposure to harmful chemicals may also play a role in increasing cancer cases.

Earlier, screening was recommended after 50. Now, doctors suggest starting earlier, especially if there are symptoms or family history.

Tests include:

  • Colonoscopy
  • Stool tests
  • Imaging scans

Early detection saves lives. It allows less invasive treatment and faster recovery.

Early-onset colorectal cancer often presents with symptoms that people mistake for common issues like piles or indigestion. Dr. Arun S. Nair advises looking out for the following:

  • Changes in Bowel Habits: Diarrhea or constipation that lasts for more than a few days.
  • Rectal Bleeding: Bright red blood in the stool.
  • Persistent Abdominal Pain: Cramps, gas, or pain that doesn’t go away.
  • Unexplained Weight Loss: Losing weight without trying.
  • Fatigue: Feeling weak or tired due to hidden blood loss (anemia).

If you experience these, do not wait. Consult a specialist for Rectal Cancer Treatment In Thrissur to rule out any serious conditions.

Today, colorectal cancer treatment is more advanced and effective. Patients can recover faster with modern methods.

As the Best GI Cancer Surgeon in Thrissur, Dr. Arun S. Nair offers:

  • Laparoscopic surgery – small cuts, less pain, quick recovery
  • Robotic surgery – high precision, safer for complex cases
  • Personalised treatment plans – based on each patient’s condition
  • Advanced cancer care – surgery, chemotherapy, and targeted therapy

These treatments help in less pain, faster healing, and better results.

Simple lifestyle changes can help lower your risk of colorectal cancer. Small daily habits can make a big difference in the long run.

  • Eat Healthy: Have more fruits, vegetables, and whole grains. These are rich in fibre and help in proper digestion. Avoid junk food, processed food, and too much red meat. Drink enough water daily.
  • Maintain Healthy Weight: Excess weight increases the risk of cancer. Follow a balanced diet and regular exercise to stay in a healthy weight range.
  • Avoid Smoking and Alcohol: Smoking and alcohol harm your digestive system and increase cancer risk. It is better to avoid or limit these habits.
  • Get Regular Check-ups: Routine health check-ups and screening tests like colonoscopy help detect problems early. Early detection gives better treatment results.
  • Manage Stress: High stress can affect your digestion and overall health. Practice relaxation methods like yoga, meditation, or deep breathing.
  • Limit Processed and Sugary Foods: High sugar and processed foods can increase inflammation in the body. Try to eat fresh and home-cooked meals as much as possible.

Choosing the right surgeon is the most important step for your health. Dr. Arun S. Nair is a trusted Gastroenterologist in Thrissur known for his skill and care.

Here is why patients choose him:

  • Huge Experience: He has over 16 years of experience. He has successfully completed 10,000+ surgeries and treated 15,000+ happy patients.
  • International Training: Arun S. Nair has trained in top hospitals in Japan, China, Taiwan, and Vietnam. He brings world-class surgical techniques to Kerala.
  • Specialist in GI Cancer: He is the Best GI Cancer Surgeon in Thrissur. He specializes in treating cancers of the food pipe, stomach, liver, and colon.
  • Advanced Laparoscopic & Robotic Surgery: He uses “Keyhole” surgery methods. This means smaller cuts, less pain, and very fast recovery for the patient.
  • Proven Success: He maintains a 99% success ratio. His work has won “Best Video” awards at major national medical conferences like AMASICON and ASGK.
  • Expert in Complex Cases: Whether it is Colon Cancer Surgery in Thrissur or Rectal Cancer Treatment in Thrissur, he handles complex cases with great precision.
  • Compassionate Care: Patients love him for his simple explanation of diseases and his kind, patient-first approach.

When detected early, colorectal cancer can be cured.

Benefits include:

  • Less complicated surgery
  • Faster recovery
  • Lower treatment cost
  • Better survival rate

Delaying treatment can lead to advanced stages, which are harder to treat.

Colorectal cancer in younger adults is increasing due to lifestyle changes, stress, and diet habits. But it is preventable and treatable if detected early. Do not ignore symptoms. Consult an expert at the right time.

If you are looking for expert care, Dr. Arun S. Nair offers advanced Colon Cancer Surgery  and Rectal Cancer Surgery with a patient-first approach and excellent outcomes.

📍 Clinic Address: 1st Floor, Elixir Clinic, ZABS Fort, West Fort, Civil Lane Road, Ayyanthole, Thrissur
📞 Call: 9539988886